Mechanical Operations The main differentiation factor between tube mill and ball mill is the Length to diameter ratio Final product size Size of the grinding media Operating speed Length to diameter ratio Final product size Size of the grinding media Operating speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ are mixed using ribbon blenders. High viscosity liquids Thick pastes Lumpy solids and low viscosity liquids Dry powders High viscosity liquids Thick pastes Lumpy solids and low viscosity liquids Dry powders ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A gravity decanter is meant for the separation of two __________ density. Miscible liquids of same Immiscible liquids of same Miscible liquids of different Immiscible liquids of different Miscible liquids of same Immiscible liquids of same Miscible liquids of different Immiscible liquids of different ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ? Rittinger's law None of these Kick's law Bond's law Rittinger's law None of these Kick's law Bond's law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls? 0.66 1 0.5 2.76 0.66 1 0.5 2.76 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The mechanism of size reduction by a hammer mill is by impact and attrition between the Both A & B Feed particles Neither A nor B Grinding element & the housing Both A & B Feed particles Neither A nor B Grinding element & the housing ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS